The flight distance from St Louis Lambert International Airport (STL) in St Louis, United States to Sumter Airport (SUM) in Sumter, United States is 1,039 kilometers (646 miles / 561 nautical miles). The estimated flight time for this route is approximately 2h, flying east southeast at a heading of 117°.

This is a short-haul route typically served by narrow-body aircraft such as the Boeing 737 or Airbus A320 family. In-flight service is usually limited to drinks and light snacks.

This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation. Despite being a domestic route, there is a 1-hour time difference between the two cities.

Time zone information: When it's 10:49 in St Louis, it's 11:49 in Sumter.

The return flight from Sumter (SUM) to St Louis (STL) follows a heading of 303° (west northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the St Louis Lambert International Airport (STL) and Sumter Airport (SUM) detail pages, or use our flight duration calculator to compare other routes.